Peak PCAN-Diag 2 User Manual
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Peak PCAN-Diag 2 User Manual

Handheld device for can bus diagnostics
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PCAN-Diag 2
Handheld Device for
CAN Bus Diagnostics
User Manual
V2.3.1

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Summary of Contents for Peak PCAN-Diag 2

  • Page 1 PCAN-Diag 2 Handheld Device for CAN Bus Diagnostics User Manual V2.3.1...
  • Page 2 PCAN-Diag 2 – User Manual Product name Model Firmware Part number PCAN-Diag 2 High-speed CAN transceiver V1.5.0 IPEH-002069-V2 On request: from ser. no. 150 Low-speed CAN transceiver Single-wire CAN transceiver CANopen® and CiA® are registered community trade marks of CAN in Automation e.V.
  • Page 3 PCAN-Diag 2 – User Manual Properties at a Glance Scope of Supply CAN Connection (D-Sub) 2.1.1 Auxiliary Supply for CAN Transceiver 2.1.2 Ground Connection Power Supply 2.2.1 Supply Socket 2.2.2 Batteries Operation with the Push Dial 2.3.1 Powering Up the PCAN-Diag 2.3.2...
  • Page 4 PCAN-Diag 2 – User Manual Displaying Incoming CAN Messages Displaying CAN Messages in Symbolic Form Managing Symbol Files 4.3.1 Creating a Symbol File with the PCAN Symbol Editor 4.3.2 Using Multiplexers in Symbol Files 4.3.3 Reducing a Symbol File's Size...
  • Page 5 PCAN-Diag 2 – User Manual 6.10 Settings for the Oscilloscope Function 6.10.1 Ch1 source 6.10.2 Ch2 source 6.10.3 Trigger 6.10.4 If Trigger = CAN ID 6.10.5 Auto offset 6.10.6 Separate offsets Ch1/2 6.10.7 Show cursors 6.10.8 Sample rate 6.10.9 Pretrigger 6.10.10 Sample buffer size...
  • Page 6 PCAN-Diag 2 – User Manual 11.4 PCAN-Diag Files on the Internal Memory Card...

  • Page 7: Table Of Contents

    PCAN-Diag 2 – User Manual Device Settings Scope Silent startup Zoom Detect CAN bitrate Delay CAN bitrate User CAN bitrates Level CAN termination C1 C2 Transceiver mode Offs1 Offs2 Single Listen-only mode D-Sub GND connection Run/Stop Shutdown time (battery) Decode...
  • Page 8 PCAN-Diag 2 – User Manual CAN connection (D-Sub) PC connection (USB) on page 13 on page 91 BNC connector for trigger output or for Ground socket measuring channel 2 on page 90 on page 87 Supply socket Switch interlock for push dial...
  • Page 9 PCAN-Diag 2 – Introduction The PCAN-Diag 2 is a handheld diagnostics unit with functions to allow investigation of a CAN bus, such as detection of the CAN bitrate, bus load measurement, and termination measurement. As well as receiving CAN messages, it can transmit either individual messages or entire sequences of them.
  • Page 10 PCAN-Diag 2 – Introduction OLED display with 320 x 240 pixel resolution Voltage supply with (rechargeable) batteries (4 x AA) or with enclosed AC adaptor (no charging function for inserted rechargeable batteries) Internal memory card (at least 1 GByte) for saving projects; can...
  • Page 11 PCAN-Diag 2 – Introduction Voltage measurement for all pins of the CAN connector (D-Sub) Management of the device configuration, transmit lists, symbol files, and all recorded data (screenshots and CSV files) in projects Two independent channels having a maximum sampling...
  • Page 12 Device configuration, transmit lists, and associated symbol files can be saved in projects Projects can be transferred to the internal memory card of the PCAN-Diag 2 using a USB connection PCAN-Diag 2 Configuration software PCAN-Diag Editor for Windows PCAN Symbol Editor for Windows Conversion software PEAK-Converter for Windows Batteries (4 x 1.5 V AA)
  • Page 13 PCAN-Diag 2 – Setting Up the Device For operation of the PCAN-Diag, go through the sections of this chapter in order. CAN connector (D-Sub) on the rear of the device Depending on the equipped CAN transceiver, PCAN-Diag's CAN socket (9-pin D-Sub) has different pin assignments.
  • Page 14 PCAN-Diag 2 – Setting Up the Device Pin assignment for equipment with Single-wire CAN transceiver (additional notes in the following subsections) If the PCAN-Diag is equipped with a Low-speed or a Single-wire CAN transceiver, a supply for the CAN transceiver must be set up via pin 9 of the D-Sub connector in addition to the common voltage supply (section 2.2), otherwise the CAN communication does not...
  • Page 15 PCAN-Diag 2 – Setting Up the Device Note: If the device is equipped with a Low-speed or a Single- wire CAN transceiver, GND must always be connected (reference potential for the auxiliary supply), otherwise the CAN communication does not work.
  • Page 16 PCAN-Diag 2 – Setting Up the Device Supplying the PCAN-Diag via the designated socket can be done using the enclosed AC adaptor or another DC source. Supply socket on the rear of the device for the connection by a barrel connector...
  • Page 17 PCAN-Diag 2 – Setting Up the Device Positions of the screws for the lid of the battery compartment (second screw is located beneath the rubber sleeve) If an external supply is connected to the device, it will be used as primary source.
  • Page 18 PCAN-Diag 2 – Setting Up the Device Operating the PCAN-Diag is solely done by a push dial. Dial: Push: Move selection; Power-up device; alter value execute selected function; exit current function Hold down the push dial for at least half a second.
  • Page 19 PCAN-Diag 2 – Setting Up the Device Knob on the rear of the device for switch interlock of the push dial In order to activate the switch interlock, push the knob using a thin object. The device now cannot be powered-up with the push dial.
  • Page 20 PCAN-Diag 2 – Setting Up the Device When operating the device, in the upper status bar, some symbols give information on the voltage supply status and about the CAN bus communication. Their meanings are as follows: Symbol Meaning The device is connected to an external voltage source (e.g. AC adaptor) The device is supplied by the inserted (rechargeable) batteries.

  • Page 21: Device Settings

    PCAN-Diag 2 – Device Settings Main menu entry Device Settings Having changed any settings on this page, make them permanent by clicking Save&OK. If you want to use the changed settings only temporarily (during the current session), click OK. A subsequent session (after an off-on cycle) uses the initial settings again.

  • Page 22: Detect Can Bitrate

    PCAN-Diag 2 – Device Settings You can activate or deactivate the listen-only mode manually with the corresponding device setting Listen-only mode. If the bitrate of the CAN bus connected to the PCAN-Diag is un- known, the PCAN-Diag can automatically detect it. This requires data traffic on the CAN bus.

  • Page 23: Can Termination

    PCAN-Diag 2 – Device Settings Eight user-defined entries can be edited. Each entry contains a 2- byte value (4 hexadecimal digits) for the bus timing registers and an arbitrary name. User-defined bitrates appear later with their name in the list below the fixed bitrate values.
  • Page 24 PCAN-Diag 2 – Device Settings (Display Transceiver: High speed) A High-speed CAN bus needs to be electrically terminated on both ends using resistors of 120 Ω. If the PCAN-Diag is connected to an un-terminated end of a CAN bus, the internal terminating resistor of 124 Ω...

  • Page 25: Transceiver Mode

    PCAN-Diag 2 – Device Settings (Display Transceiver: Single wire) The busload resistor at the Single-wire CAN transceiver can be changed with this function. Setting Resistor 9.1 kΩ 2.1 kΩ For more information about the function of the busload resistor, see the data sheet of the TH8056 CAN transceiver by Melexis (www.melexis.com), for example.

  • Page 26: Listen-Only Mode

    PCAN-Diag 2 – Device Settings If the device shall silently watch traffic on the CAN bus without influencing it, the observation mode (listen-only mode) must be switched On. The device will neither acknowledge nor transmit CAN (error) frames. Furthermore, active transmit lists are deactivated.

  • Page 27: Date & Time

    PCAN-Diag 2 – Device Settings With the device date and time are adjusted. Date and time are used when saving files to the internal memory card. File names of bitmaps or scope data to be saved get a number co- ming from a counter.

  • Page 28: Can Data

    Main menu item CAN Data The PCAN-Diag 2 can display the CAN data of incoming CAN mes- sages either in a simple way in hexadecimal format (section 4.1) or with the help of symbol files that convert the CAN data into a more readable form (sections 4.2/4.3 on page 31).
  • Page 29 PCAN-Diag 2 – CAN Traffic Simple view of incoming CAN messages. You can manipulate sorting in the table by clicking on CAN messa- ges. By doing so these messages are moved to the top of the list and marked orange. Clicking on an orange CAN message takes back the emphasis, meaning that is sorted by CAN ID again.
  • Page 30 PCAN-Diag 2 – CAN Traffic Clears the list of incoming CAN messages and resets the CAN con- troller. Latter is useful after fault maintenance on the CAN bus. Tx1 … Tx7 These items represent the first seven transmit lists that are defined under >...

  • Page 31: Receive Msgs. As Symbols

    PCAN-Diag 2 – CAN Traffic Menu item > CAN Data Receive Msgs. as Symbols In order to simplify the interpretation of CAN data it can be dis- played in symbolic form. The display is determined by a symbol file. Note: Before you can display CAN messages in symbol form, you must have loaded a symbol file being part of a project.

  • Page 32: Manage Symbol Files

    PCAN-Diag 2 – CAN Traffic Symbol Variables Symbolic display of CAN messages, to be reached with > CAN Data Receive Msgs. as Symbols The symbol file being active is indicated in the lower status bar. A different symbol file can be selected with the menu command Files.

  • Page 33: Selectfile

    PCAN-Diag 2 – CAN Traffic Symbol files can be created and altered in different ways (only externally on a PC): • with the provided Windows program PCAN Symbol Editor (see the following section 4.3.1 on page 34) • in a text editor •...

  • Page 34: Sortorder

    PCAN-Diag 2 – CAN Traffic SortOrder Determines the element that is used for sorting when the Sort command is used at the symbolic display of incoming messages. With the aid of an example, this section shows how to create a sym- bol file with the supplied Windows program PCAN Symbol Editor.
  • Page 35 PCAN-Diag 2 – CAN Traffic Click on Add Symbol. A new entry appears in the Symbols folder of the Item Navigator. Adjust the items in the Symbol properties panel according to the given values for the TestSymA symbol. Adjustments are done for the marked items.
  • Page 36 PCAN-Diag 2 – CAN Traffic Click on Add Variable. As before with the symbol, adjust the items according to the given values for the Speed variable. Repeat the previous step for the Temperature variable. In order to display negative values the Data Type must be set to Signed.
  • Page 37 PCAN-Diag 2 – CAN Traffic A new entry appears in the Enums folder of the Item Navigator. Add the two states Off (0) and On (1) to the enum with Add Value. Create the TestSymB symbol with the Switch1 variable.
  • Page 38 PCAN-Diag 2 – CAN Traffic The final symbol file has the following contents: FormatVersion=5.0 // Do not edit! Title="Example" {ENUMS} enum Switches(0="Off", 1="On") {RECEIVE} [TestSymA] ID=223h DLC=2 Var=Speed unsigned 0.8 /u:km/h Var=Temperature signed 8.8 /u:"° C" [TestSymB] ID=224h DLC=1 Var=Switch1 bit 0.1 /e:Switches With multiplexers different symbol definitions are used for the display of CAN data from a single message.
  • Page 39 PCAN-Diag 2 – CAN Traffic example, on the supplied CD in the following directory: /Tools/PCAN-Diag/PCAN-DiagV2/Tools/ Click on Add Symbol. Adjust the items in the Symbol properties panel according to the given values for the MuxSym symbol. The data length is not relevant at this point.
  • Page 40 PCAN-Diag 2 – CAN Traffic Add two multiplexers to the symbol by using Add Multiplexer. Multiplexer2 gets the value 01h (field Multiplexer Value). When the symbol file is used in the PCAN-Diag, the multi- plexers are treated as a single signal named Mux. The names given in the PCAN-Symbol Editor are dismissed.
  • Page 41 PCAN-Diag 2 – CAN Traffic Add the variable Speed to Multiplexer1 by using Add Variable and adjust the entries according to the shown example. Add the variable Engine to Multiplexer2 by using Add Variable and adjust the entries according to the shown...
  • Page 42 PCAN-Diag 2 – CAN Traffic Add the variable Temperature to each of the two multiplexers by using Add Variable and adjust the entries according to the shown example. Use Save as to save the symbol file with the name MuxSymExample.sym.
  • Page 43 PCAN-Diag 2 – CAN Traffic Data display after assigning the symbol file in the PCAN-Diag...
  • Page 44 PCAN-Diag 2 – CAN Traffic Because of the limited working memory in the PCAN-Diag, symbol files can only be read up to a specific size (see also beginning of section 4.3 on page 32). One possibility to reduce the size of a symbol file is using the Display Mode property.

  • Page 45: Transmit Messages

    PCAN-Diag 2 – CAN Traffic Menu item > CAN Data Transmit Messages The transmission of CAN messages is done with transmit lists that have been created either with the menu command Manage (see following section) or with the Windows Transmit Lists program PCAN-Diag Editor.
  • Page 46 PCAN-Diag 2 – CAN Traffic There are columns for hexadecimal, decimal, and binary represen- tation for each data byte of the CAN message where the values can be altered. You alter the value of a data byte by clicking on the value in either the...

  • Page 47: Manage Transmit Lists

    PCAN-Diag 2 – CAN Traffic Menu item > CAN Data Manage Transmit Lists This function shows an overview of all available transmit lists. An enabled entry is marked with a cross [X]. This means that the entry's properties can be modified and that the list is available for transmission under >...
  • Page 48 PCAN-Diag 2 – CAN Traffic Modify the list's name by clicking on it. Characters are deleted with Keep the push dial pushed for automatic repetition. By default, the list already contains one entry. With the mnemonics on the right you can do following actions:...

  • Page 49: Trace Messages

    PCAN-Diag 2 – CAN Traffic The value in the column is indicating a duration in Offset milliseconds whereafter the CAN message is transmitted. The offset refers to the previously transmitted CAN message, thus this is a relative designation. Note the given value for Min.
  • Page 50 PCAN-Diag 2 – CAN Traffic Note: When invoking the function and during the recording of the incoming CAN traffic, the transmission of CAN messages is suspended. Note: In order to record also at a high bit rate together with high CAN bus load, a hardware upgrade is available for devices that had been delivered until January 2012.

  • Page 51: Play Back Trace

    PCAN-Diag 2 – CAN Traffic Menu item > (from firmware 1.5.0) CAN Data Play Back Trace The PCAN-Diag can play back CAN messages from a binary trace file (*.btr) onto the connected CAN bus. The timing of the CAN messages, as it occurred originally during recording of the trace file, is maintained.
  • Page 52 (sequential numbers). For further use you must convert the data in an appropriate format. The Windows program PEAK-Converter is on the supplied CD and on the internal memory card of PCAN-Diag for this purpose. User interface of the PEAK-Converter...
  • Page 53 PCAN-Diag 2 – CAN Traffic Target format File Explanation/usage extension .asc Vector ASC Trace Text-based trace format by the Vector com- pany that also can be used by some third-party programs. .csv Character Separated Common, text-based format for import into a Values (CSV) spreadsheet (semicolon as separator).

  • Page 54: Measurements

    PCAN-Diag 2 – Measuring Functions for the CAN Bus Main menu item Measurements This chapter describes the measurement functions of the PCAN- Diag. The oscilloscope function is covered in the following chapter 6 on page 60. Menu item > Measurements...

  • Page 55: Save As Bmp

    PCAN-Diag 2 – Measuring Functions for the CAN Bus Per sample value an average and a maximum value of the bus load are calculated and shown as bars. You can counter a high bus load with the following measures: Raise the bitrate of all CAN nodes on the bus.

  • Page 56: Can Termination

    PCAN-Diag 2 – Measuring Functions for the CAN Bus Menu item > Measurements CAN Termination Note: This function is only available if the PCAN-Diag is equipped with a High-speed CAN transceiver (display at Device Settings: Transceiver: High speed). The function measures the resistance value between the CAN_L and CAN_H lines.

  • Page 57: Start

    PCAN-Diag 2 – Measuring Functions for the CAN Bus CAN termination Indicates the measured resistance value. Measurement Interpretation ~ 60 Ohm The termination at the CAN bus is ok in terms of measure- ment. Make sure that the termination resistors are positioned at each end of the bus and not, for example, at taps in the middle of the bus.

  • Page 58: D-Sub Connector

    PCAN-Diag 2 – Measuring Functions for the CAN Bus Menu item > Measurements D-Sub Connector The voltage levels for each pin of the D-Sub connector are mea- sured and listed under in the table. On the basis of the Actual voltage levels on the pins conclusions can be made about the correct installation or function of the CAN bus.

  • Page 59: Settings

    PCAN-Diag 2 – Measuring Functions for the CAN Bus Symbol Voltage source Externally via supply socket (e.g. with the supplied AC adaptor) Inserted (rechargeable) batteries Settings Customize the view for each pin. Element Function Comment Arbitrary pin name Name Measurement and display of...

  • Page 60: Scope

    PCAN-Diag 2 – Oscilloscope Function Main menu item Scope The oscilloscope function is used for in-depth diagnosis of the CAN signals on the connected lines. The handling of the function is similar to a standard storage scope. Recorded CAN signal in the oscilloscope function...
  • Page 61 PCAN-Diag 2 – Oscilloscope Function Configuration of trigger to frame start, frame end, CAN errors, CAN ID, or signal edges. External measurement devices can be triggered using the BNC connector Depiction of raw CAN frames Decoding of CAN frames from the recorded signal course...

  • Page 62: Zoom

    PCAN-Diag 2 – Oscilloscope Function With the following functions the current view on the horizontal axis (time axis) is adjusted. Element Function Zooming in or out horizontally. The reference point for zooming Zoom (left, middle, right) can be set under >...
  • Page 63 PCAN-Diag 2 – Oscilloscope Function Adjustment of the trigger level (line) During measurement operation the currently set trigger level is indicated by an orange arrow on the right screen border. Indication of the trigger level on the right...
  • Page 64 PCAN-Diag 2 – Oscilloscope Function A section of the time axis can be marked on the screen with the two cursors C1 and C2 (vertical lines) in order to measure a time period. Do the following to measure a time period:...

  • Page 65: Offs1 Offs2

    PCAN-Diag 2 – Oscilloscope Function Time period measurement with cursors C1 and C2 The vertical offset for the display of the signal courses of both measuring channels is either determined automatically ( > Setting > Yes) or can be adjusted manually with...

  • Page 66: Single

    PCAN-Diag 2 – Oscilloscope Function Single Waiting for the set trigger event and single recording of the signal (filling the sample buffer). Repeated waiting for the set trigger event and recording of the signal until is clicked. Stop The trigger event to be used is selected with >...
  • Page 67 PCAN-Diag 2 – Oscilloscope Function Decoded signal course Additionally to the data in the CAN frame, the segments of the CAN frame can be displayed with markers in the signal course: Setting > > Show decoded segments Additional segment indication at decoding Decode Triggers a manual decode action.
  • Page 68 PCAN-Diag 2 – Oscilloscope Function Decoding Meaning Possible measure(s) display Red data Faulty CAN frame Set the device's CAN bitrate to the one on the connected CAN bus: > Device Settings CAN bitrate > Device Settings Detect CAN bitrate No remote CAN...
  • Page 69 PCAN-Diag 2 – Oscilloscope Function A CSV file contains data in lines in text format. As separator the semicolon (;) is used. For further use the file can be taken into an arbitrary spread sheet, for example. Contents Structure Device name and firmware version...

  • Page 70: Setting

    PCAN-Diag 2 – Oscilloscope Function Menu item > Scope Setting Selection of the signal source for the display of measuring channel 1 (green course). Note: The selection is depending on the CAN transceiver that is integrated in the PCAN-Diag. Setting...

  • Page 71: Ch2 Source

    PCAN-Diag 2 – Oscilloscope Function Selection of the signal source for the display of measuring channel 2 (white course). Note: The selection is depending on the CAN transceiver that is integrated in the PCAN-Diag. Setting Description CAN_Low signal from the D-Sub connector (High-speed CAN,...

  • Page 72: Trigger

    PCAN-Diag 2 – Oscilloscope Function Selection of the event that triggers the sampling of the signals (trigger event). Setting Description Start of a recognized CAN frame FrameStart End of a recognized CAN frame FrameEnd Free-running sampling without trigger, the sample buffer is...

  • Page 73: Auto Offset

    PCAN-Diag 2 – Oscilloscope Function Setting Description Automatic vertical offset for the measuring channels 1 and 2 Manual adjustment of the offset on the scope screen with Offs1 Offs2 Note: When adjusting manually with or Offs2, an Offs1 activated auto-offset function is deactivated.

  • Page 74: Sample Buffer Size

    PCAN-Diag 2 – Oscilloscope Function Changes the buffer size and with this the record length. Smaller buffer sizes are useful if the repetition of the sampling run shall be faster. The record length results from the quotient of the sample buffer size and the sample rate.

  • Page 75: Trigger Output Delay

    PCAN-Diag 2 – Oscilloscope Function Setting Description In addition to the data of the CAN frame, the segments of the CAN frame are displayed with markers in the signal course. Segment Designation in the CAN Description label specification 2.0 | (purple)

  • Page 76: Enable Data Readback

    PCAN-Diag 2 – Oscilloscope Function Determines the action when is selected on the scope screen: Setting Description A bitmap screenshot of the scope screen is saved on the Save BMP internal memory card (file name: pict000.bmp with sequential number). The contents of the sample buffer is saved to the internal Save data memory card in CSV format (file name: data000.csv with...

  • Page 77: Projects

    PCAN-Diag 2 – Configuring the Device with Projects Main menu item Projects With projects the PCAN-Diag can quickly be adapted to different applications. A project contains the following elements: Project element Assigned area in the PCAN-Diag Device settings Device Settings...

  • Page 78: Load Project

    PCAN-Diag 2 – Configuring the Device with Projects Load Project A project is selected from the internal memory card; the project's elements are loaded into the PCAN-Diag. Click on the name of the desired project in order to load it.
  • Page 79 PCAN-Diag 2 – Configuring the Device with Projects The procedure from creation of a project to the use in the PCAN- Diag is divided into three phases: Creating a project on a PC with the Windows program PCAN- Diag Editor.
  • Page 80 PCAN-Diag 2 – Configuring the Device with Projects Adjust the settings for your application on the tabs Device Settings, Scope Settings, and D-Sub Connector. If needed, create one or more CAN Transmit Lists on the corresponding tab. The left panel contains the transmit lists, the right panel the CAN messages of a transmit list.
  • Page 81 PCAN-Diag 2 – Configuring the Device with Projects Save the created project on a data carrier with the Save button The given file name is from now on used as project name. Do the following to transfer the project to the PCAN-Diag: Connect the PCAN-Diag to the PC with the provided USB cable.
  • Page 82 PCAN-Diag 2 – Configuring the Device with Projects Click on Transfer to and check the PCAN-Diag device in the dialog box Select Devices. Tip: You can transfer the same configuration to several PCAN- Diag devices at the same time if those are connected to the PC.
  • Page 83 PCAN-Diag 2 – Configuring the Device with Projects Click on OK. The project file (*.dpf) and the affiliated symbol files (*.sym, *.syb) are transferred to the PCAN-Diag (progress indicator Transfer data). The used directory on the internal memory card is /PCAN-Diag/Projects/<project name>.
  • Page 84 PCAN-Diag 2 – Configuring the Device with Projects Each project can have an alternative splash screen in order to clarify already at startup which project is active. A bitmap file must be put into the corresponding project directory on the internal memory card.

  • Page 85: Internal Statistics

    PCAN-Diag 2 – Maintenance Functions for the Device Main menu item Internal Statistics The page gives an overview about the device's internals. The specifications are usually used for support. Furthermore, hardware functions are available for maintenance of the device. They are described briefly in the following.

  • Page 86: Memory Card

    PCAN-Diag 2 – Browsing the Internal Memory Card Main menu item Memory Card The PCAN-Diag has functions to show directories and bitmaps from the internal memory card. Note: The PCAN-Diag cannot access the memory card as long as a USB connection to a PC is established.
  • Page 87 PCAN-Diag 2 – BNC Connector BNC connector on the rear of the device The function of the BNC connector depends on the setting for mea- suring channel 2 (Scope > > Setting source). Setting Ch2 Function BNC Description in section Trigger output 10.1 below...
  • Page 88 PCAN-Diag 2 – BNC Connector The trigger output is active if the measuring channel 2 (Ch2) of the oscilloscope function is set to the CAN input: > > > Scope Setting Ch2 source CAN-L CAN-L CAN-Diff CAN-Diff When a trigger event occurs in the oscilloscope function, a trigger...
  • Page 89 PCAN-Diag 2 – BNC Connector Instead of the CAN signal CAN_Low the measuring channel 2 (Ch2) of the oscilloscope function can sample an external signal for in- spection and trigger purposes coming from the BNC connector. Attention! The voltage of an external signal may have a maximum of ±50 V.
  • Page 90 PCAN-Diag 2 – BNC Connector In order to establish a separate voltage ground connection between the PCAN-Diag and the measuring object, a ground socket (4 mm) is provided. GND socket (4 mm) on the rear of the device...
  • Page 91 PCAN-Diag 2 – USB Connection with a PC A USB connection to a PC is used for access to the internal memory card of the PCAN-Diag. The PC's operating system binds the memo- ry card into the file management, e.g. under Windows as mass storage device.
  • Page 92 PCAN-Diag 2 – USB Connection with a PC Transferring projects onto the memory card of the PCAN-Diag with the provided Windows program PCAN-Diag Editor (7.1 Creating and Loading a Project on page 79) Access to the trace, bitmap, or CSV files created by the PCAN- Diag Storing an alternative splash screen in a project directory (7.2...
  • Page 93 PCAN-Diag 2 – USB Connection with a PC Directory - file Function /PCAN-Diag/ Fixed storage branch for files that are accessed by the PCAN-Diag or that are related to the device Projects/<project name>/ Projects; a subdirectory with the project name for each project;...
  • Page 94 PCAN-Diag 2 – USB Connection with a PC Directory - file Function Documentation/ Documentation about the PCAN-Diag, e.g. this manual The PCAN-Diag is operational even without the directory branch /PCAN-Diag/ on the internal memory card. However, no splash screen and no help texts are displayed. Furthermore, saving of screenshots, of data from the sample buffer, or of traces is not possible.
  • Page 95 PCAN-Diag 2 – Technical Specifications Power supply Supply voltage Externally via supply socket: 12 V DC nominal, 8 - 50 V possible Internally with 4 (rechargeable) batteries (size AA): 4 x 1.5 V or 4 x 1.2 V DC The device does not charge inserted rechargeable batteries.
  • Page 96 PCAN-Diag 2 – Technical Specifications BNC connector Functions Trigger output or measuring input Trigger output Voltage idle state +3.3 V Voltage trigger event 0 V (falling edge) Pulse duration 4 CAN bit timings, actual duration depending on the set CAN bitrate (at 500 kbit/s: 4 * 2 μs = 8 μs)
  • Page 97 PCAN-Diag 2 – Technical Specifications Internal memory card Size at least 1 GByte File system FAT32 Name of the USB device PCAN-DIAG Display Type OLED Resolution 320 x 240 pixels Measures Size 103 x 58 x 212 (225 with BNC connector) mm...
  • Page 98 PCAN-Diag 2 – Appendix...
  • Page 99 PCAN-Diag 2 – Appendix The figure does not show the original size; dimensions for case without rubber sleeve...
  • Page 100 PCAN-Diag 2 – Appendix → Chimes Configuration with a project Acoustic feedback Connector act (status indication) Auxiliary supply transceiver CAN (D-Sub) Batteries ground indicator for remaining capacity 20 Conversion insert binary trace file Battery icon → Chimes Counter for file names...
  • Page 101 PCAN-Diag 2 – Appendix Listen-only mode R (status indication) activate Receive Messages (menu item) indicator Receive Msgs. as Symbols (menu Low-speed CAN item) set termination Rechargeable batteries Low-voltage socket insert Manage Symbol Files (menu item) 32 recharge (externally) Manage Transmit Lists (menu item)47...
  • Page 102 PCAN-Diag 2 – Appendix Time Transmit list creation determining the device's time in PCAN-Diag Transmit Messages (menu item) Time measurement signal course 64 Trigger Trace adjust level play back external record output (BNC) use on PC set event Trace Messages (menu item)

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